1. Your phone is making you impatient and impulsive.

Science says that once you start checking your phone frequently, you open up a can of worms and it becomes an unconscious habit, one you might actually not be able to shake. (Science Daily)

2. Shirley MacLaine thinks an open marriage is the only way to have a happy long-term relationship.

The actress has been vocal about her 28-year marriage (they split in 1982), and the affairs sprinkled throughout. In her latest interview, MacLaine said, "I think that's the basis for a long-lasting marriage, if you really want to do such a thing, I would say better to stay friends and we don't have enough time to talk about the sexuality of all. I was very open about all of that and so was he." (People)

A new study of women who had C-sections during their first births found no significant differences between vaginal births or planned or unplanned C-sections the second time around when it came to the child's health five years later. (TIME)

4. Kayla Itsines opens up about her rise to fitness fame.

In a New York Times profile, the 24-year-old personal trainer explains how she used social media to inspire a workout movement, why she doesn't believe in the scale, and how she deals with criticism. (NY Times)

5. The heart and the brain really ARE connected.

When it comes to keeping your brain healthy, the most important factor may be how healthy your heart is, says new research. (TIME)

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6. Eddie Izzard can't stop, won't stop.

The 54-year-old actor is running 27 marathons in 27 days (that's 707.4 miles in less than a month) as a fundraiser for Sports Relief in memory of Nelson Mandela, who spent 27 years in prison for his revolutionary anti-Apartheid politics. (WSJ)

7. Maybe standing desks aren't so great after all ...

Researchers reviewed studies on sit/stand desks and found no high-quality evidence to support that workers who use them are sitting less. (LiveScience)

8. Selma Blair's favorite workout costs $4,100.

It's called R4.0 and it's a four-day version of the weeklong workout program at The Ranch at Live Oak (or Malibu). It involves eight hours a day of rigorous exercise and cooking classes. (InStyle)

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9. Everyone's talking about Nike.

Why? The company designed Nike-branded uniforms for the Summer Olympic team and a self-lacing shoe, but their end goal is taking over the fashion world. (NY Times)

10. Runway diversity is still dismally lacking.

Between all the fashion shows in New York, Paris, Milan, and London, less than 25 percent of models were women of color. (The Fashion Spot)

11. London just unveiled the world's first fully electric double-decker.

It won't start carrying passengers for another month, but the gas-free bus is just part of the city's efforts to lower emissions. (Evening Standard)

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12. Big Candy will stop targeting kids.

The National Confectioners Association, in partnership with the Council of Better Business Bureaus, just announced that a slew of big-name candy companies will stop marketing their sugary products to children and preteens. (Consumerist)

13. The future of coffee is here—and it's pretty awesome.

A new coffee cart design out of Sweden runs on solar panels and filters pollution out of the air with built-in purifiers. (Fast CoExist)

14. Yet another U.S. city is suing Monsanto for its use of toxic chemicals.

Portland, Ore., is claiming that the agricultural giant knowingly dumped toxic polychlorinated biphenyls (PBSs) into a local waterway for decades, costing the city more than $1 billion in cleanup. (EcoWatch)

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15. The restaurant industry continues to make greener choices.

Nonprofit Zero Footprint just announced a new program to help more eateries move closer to becoming carbon neutral. (Eater)

16. Add Miley Cyrus to the list of celeb yogis.

She shared five yoga videos on her Instagram account and noted that she does yoga for her mind, not her body. In her words: "DO YOGA or GO CRAZY!" (Instagram)

17. Be sure to turn off the lights for Earth Hour this weekend!

Show your commitment to protecting the planet by turning off the lights in your home for WWF's Earth Hour this Saturday, March 19, from 8:30 to 9:30 local time. The Eiffel Tower, Empire State Building, and the Sydney Opera House will all be dark for the occasion. (WWF)